问题
选择题
These plants are water _______.
A．each other day
B．every other day
C．each of two days
D．every of two days
答案
B
每隔几天/周/月的表达是：every few days/ weeks/months。每隔一天是： every other day
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These plants are water _______.
A．each other day
B．every other day
C．each of two days
D．every of two days
B
每隔几天/周/月的表达是：every few days/ weeks/months。每隔一天是： every other day